First: Im sorry for my bad english ;-) I use "portfolio" to create treemaps with "R". I've got a .csv dataset of all the schools in my city, containing 6 variables each with 1469 lines of data. When I create a treemap, 3 of these schools were not taken into account by "R". I dont know why. It doesn't matter where I put them in my dataset, they won't appear in my treemap. When I reduce my dataset to 1000 lines, one of the three schools magically appear. When I reduce my dataset to 500 lines, two of them appear, but not the one of the "1000-lines-attemp". I hope you understand what my problem is. Patrick -- View this message in context: http://r.789695.n4.nabble.com/Treemap-lost-data-tp4639743.html Sent from the R help mailing list archive at Nabble.com.